function QR8bitByte(data) {
  this.mode = QRMode.MODE_8BIT_BYTE;
  this.data = data;
  this.parsedData = [];

  // Added to support UTF-8 Characters
  for (var i = 0, l = this.data.length; i < l; i++) {
    var byteArray = [];
    var code = this.data.charCodeAt(i);

    if (code > 0x10000) {
      byteArray[0] = 0xF0 | ((code & 0x1C0000) >>> 18);
      byteArray[1] = 0x80 | ((code & 0x3F000) >>> 12);
      byteArray[2] = 0x80 | ((code & 0xFC0) >>> 6);
      byteArray[3] = 0x80 | (code & 0x3F);
    } else if (code > 0x800) {
      byteArray[0] = 0xE0 | ((code & 0xF000) >>> 12);
      byteArray[1] = 0x80 | ((code & 0xFC0) >>> 6);
      byteArray[2] = 0x80 | (code & 0x3F);
    } else if (code > 0x80) {
      byteArray[0] = 0xC0 | ((code & 0x7C0) >>> 6);
      byteArray[1] = 0x80 | (code & 0x3F);
    } else {
      byteArray[0] = code;
    }

    this.parsedData.push(byteArray);
  }

  this.parsedData = Array.prototype.concat.apply([], this.parsedData);

  if (this.parsedData.length != this.data.length) {
    this.parsedData.unshift(191);
    this.parsedData.unshift(187);
    this.parsedData.unshift(239);
  }
}

QR8bitByte.prototype = {
  getLength: function (buffer) {
    return this.parsedData.length;
  },
  write: function (buffer) {
    for (var i = 0, l = this.parsedData.length; i < l; i++) {
      buffer.put(this.parsedData[i], 8);
    }
  }
};

function QRCodeModel(typeNumber, errorCorrectLevel) {
  this.typeNumber = typeNumber;
  this.errorCorrectLevel = errorCorrectLevel;
  this.modules = null;
  this.moduleCount = 0;
  this.dataCache = null;
  this.dataList = [];
}

QRCodeModel.prototype = {
  addData: function (data) {
    var newData = new QR8bitByte(data);
    this.dataList.push(newData);
    this.dataCache = null;
  }, isDark: function (row, col) {
    if (row < 0 || this.moduleCount <= row || col < 0 || this.moduleCount <= col) {
      throw new Error(row + "," + col);
    }
    return this.modules[row][col];
  }, getModuleCount: function () {
    return this.moduleCount;
  }, make: function () {
    this.makeImpl(false, this.getBestMaskPattern());
  }, makeImpl: function (test, maskPattern) {
    this.moduleCount = this.typeNumber * 4 + 17;
    this.modules = new Array(this.moduleCount);
    for (var row = 0; row < this.moduleCount; row++) {
      this.modules[row] = new Array(this.moduleCount);
      for (var col = 0; col < this.moduleCount; col++) {
        this.modules[row][col] = null;
      }
    }
    this.setupPositionProbePattern(0, 0);
    this.setupPositionProbePattern(this.moduleCount - 7, 0);
    this.setupPositionProbePattern(0, this.moduleCount - 7);
    this.setupPositionAdjustPattern();
    this.setupTimingPattern();
    this.setupTypeInfo(test, maskPattern);
    if (this.typeNumber >= 7) {
      this.setupTypeNumber(test);
    }
    if (this.dataCache == null) {
      this.dataCache = QRCodeModel.createData(this.typeNumber, this.errorCorrectLevel, this.dataList);
    }
    this.mapData(this.dataCache, maskPattern);
  }, setupPositionProbePattern: function (row, col) {
    for (var r = -1; r <= 7; r++) {
      if (row + r <= -1 || this.moduleCount <= row + r) continue;
      for (var c = -1; c <= 7; c++) {
        if (col + c <= -1 || this.moduleCount <= col + c) continue;
        if ((0 <= r && r <= 6 && (c == 0 || c == 6)) || (0 <= c && c <= 6 && (r == 0 || r == 6)) || (2 <= r && r <= 4 && 2 <= c && c <= 4)) {
          this.modules[row + r][col + c] = true;
        } else {
          this.modules[row + r][col + c] = false;
        }
      }
    }
  }, getBestMaskPattern: function () {
    var minLostPoint = 0;
    var pattern = 0;
    for (var i = 0; i < 8; i++) {
      this.makeImpl(true, i);
      var lostPoint = QRUtil.getLostPoint(this);
      if (i == 0 || minLostPoint > lostPoint) {
        minLostPoint = lostPoint;
        pattern = i;
      }
    }
    return pattern;
  }, createMovieClip: function (target_mc, instance_name, depth) {
    var qr_mc = target_mc.createEmptyMovieClip(instance_name, depth);
    var cs = 1;
    this.make();
    for (var row = 0; row < this.modules.length; row++) {
      var y = row * cs;
      for (var col = 0; col < this.modules[row].length; col++) {
        var x = col * cs;
        var dark = this.modules[row][col];
        if (dark) {
          qr_mc.beginFill(0, 100);
          qr_mc.moveTo(x, y);
          qr_mc.lineTo(x + cs, y);
          qr_mc.lineTo(x + cs, y + cs);
          qr_mc.lineTo(x, y + cs);
          qr_mc.endFill();
        }
      }
    }
    return qr_mc;
  }, setupTimingPattern: function () {
    for (var r = 8; r < this.moduleCount - 8; r++) {
      if (this.modules[r][6] != null) {
        continue;
      }
      this.modules[r][6] = (r % 2 == 0);
    }
    for (var c = 8; c < this.moduleCount - 8; c++) {
      if (this.modules[6][c] != null) {
        continue;
      }
      this.modules[6][c] = (c % 2 == 0);
    }
  }, setupPositionAdjustPattern: function () {
    var pos = QRUtil.getPatternPosition(this.typeNumber);
    for (var i = 0; i < pos.length; i++) {
      for (var j = 0; j < pos.length; j++) {
        var row = pos[i];
        var col = pos[j];
        if (this.modules[row][col] != null) {
          continue;
        }
        for (var r = -2; r <= 2; r++) {
          for (var c = -2; c <= 2; c++) {
            if (r == -2 || r == 2 || c == -2 || c == 2 || (r == 0 && c == 0)) {
              this.modules[row + r][col + c] = true;
            } else {
              this.modules[row + r][col + c] = false;
            }
          }
        }
      }
    }
  }, setupTypeNumber: function (test) {
    var bits = QRUtil.getBCHTypeNumber(this.typeNumber);
    for (var i = 0; i < 18; i++) {
      var mod = (!test && ((bits >> i) & 1) == 1);
      this.modules[Math.floor(i / 3)][i % 3 + this.moduleCount - 8 - 3] = mod;
    }
    for (var i = 0; i < 18; i++) {
      var mod = (!test && ((bits >> i) & 1) == 1);
      this.modules[i % 3 + this.moduleCount - 8 - 3][Math.floor(i / 3)] = mod;
    }
  }, setupTypeInfo: function (test, maskPattern) {
    var data = (this.errorCorrectLevel << 3) | maskPattern;
    var bits = QRUtil.getBCHTypeInfo(data);
    for (var i = 0; i < 15; i++) {
      var mod = (!test && ((bits >> i) & 1) == 1);
      if (i < 6) {
        this.modules[i][8] = mod;
      } else if (i < 8) {
        this.modules[i + 1][8] = mod;
      } else {
        this.modules[this.moduleCount - 15 + i][8] = mod;
      }
    }
    for (var i = 0; i < 15; i++) {
      var mod = (!test && ((bits >> i) & 1) == 1);
      if (i < 8) {
        this.modules[8][this.moduleCount - i - 1] = mod;
      } else if (i < 9) {
        this.modules[8][15 - i - 1 + 1] = mod;
      } else {
        this.modules[8][15 - i - 1] = mod;
      }
    }
    this.modules[this.moduleCount - 8][8] = (!test);
  }, mapData: function (data, maskPattern) {
    var inc = -1;
    var row = this.moduleCount - 1;
    var bitIndex = 7;
    var byteIndex = 0;
    for (var col = this.moduleCount - 1; col > 0; col -= 2) {
      if (col == 6) col--;
      while (true) {
        for (var c = 0; c < 2; c++) {
          if (this.modules[row][col - c] == null) {
            var dark = false;
            if (byteIndex < data.length) {
              dark = (((data[byteIndex] >>> bitIndex) & 1) == 1);
            }
            var mask = QRUtil.getMask(maskPattern, row, col - c);
            if (mask) {
              dark = !dark;
            }
            this.modules[row][col - c] = dark;
            bitIndex--;
            if (bitIndex == -1) {
              byteIndex++;
              bitIndex = 7;
            }
          }
        }
        row += inc;
        if (row < 0 || this.moduleCount <= row) {
          row -= inc;
          inc = -inc;
          break;
        }
      }
    }
  }
};
QRCodeModel.PAD0 = 0xEC;
QRCodeModel.PAD1 = 0x11;
QRCodeModel.createData = function (typeNumber, errorCorrectLevel, dataList) {
  var rsBlocks = QRRSBlock.getRSBlocks(typeNumber, errorCorrectLevel);
  var buffer = new QRBitBuffer();
  for (var i = 0; i < dataList.length; i++) {
    var data = dataList[i];
    buffer.put(data.mode, 4);
    buffer.put(data.getLength(), QRUtil.getLengthInBits(data.mode, typeNumber));
    data.write(buffer);
  }
  var totalDataCount = 0;
  for (var i = 0; i < rsBlocks.length; i++) {
    totalDataCount += rsBlocks[i].dataCount;
  }
  if (buffer.getLengthInBits() > totalDataCount * 8) {
    throw new Error("code length overflow. ("
      + buffer.getLengthInBits()
      + ">"
      + totalDataCount * 8
      + ")");
  }
  if (buffer.getLengthInBits() + 4 <= totalDataCount * 8) {
    buffer.put(0, 4);
  }
  while (buffer.getLengthInBits() % 8 != 0) {
    buffer.putBit(false);
  }
  while (true) {
    if (buffer.getLengthInBits() >= totalDataCount * 8) {
      break;
    }
    buffer.put(QRCodeModel.PAD0, 8);
    if (buffer.getLengthInBits() >= totalDataCount * 8) {
      break;
    }
    buffer.put(QRCodeModel.PAD1, 8);
  }
  return QRCodeModel.createBytes(buffer, rsBlocks);
};
QRCodeModel.createBytes = function (buffer, rsBlocks) {
  var offset = 0;
  var maxDcCount = 0;
  var maxEcCount = 0;
  var dcdata = new Array(rsBlocks.length);
  var ecdata = new Array(rsBlocks.length);
  for (var r = 0; r < rsBlocks.length; r++) {
    var dcCount = rsBlocks[r].dataCount;
    var ecCount = rsBlocks[r].totalCount - dcCount;
    maxDcCount = Math.max(maxDcCount, dcCount);
    maxEcCount = Math.max(maxEcCount, ecCount);
    dcdata[r] = new Array(dcCount);
    for (var i = 0; i < dcdata[r].length; i++) {
      dcdata[r][i] = 0xff & buffer.buffer[i + offset];
    }
    offset += dcCount;
    var rsPoly = QRUtil.getErrorCorrectPolynomial(ecCount);
    var rawPoly = new QRPolynomial(dcdata[r], rsPoly.getLength() - 1);
    var modPoly = rawPoly.mod(rsPoly);
    ecdata[r] = new Array(rsPoly.getLength() - 1);
    for (var i = 0; i < ecdata[r].length; i++) {
      var modIndex = i + modPoly.getLength() - ecdata[r].length;
      ecdata[r][i] = (modIndex >= 0) ? modPoly.get(modIndex) : 0;
    }
  }
  var totalCodeCount = 0;
  for (var i = 0; i < rsBlocks.length; i++) {
    totalCodeCount += rsBlocks[i].totalCount;
  }
  var data = new Array(totalCodeCount);
  var index = 0;
  for (var i = 0; i < maxDcCount; i++) {
    for (var r = 0; r < rsBlocks.length; r++) {
      if (i < dcdata[r].length) {
        data[index++] = dcdata[r][i];
      }
    }
  }
  for (var i = 0; i < maxEcCount; i++) {
    for (var r = 0; r < rsBlocks.length; r++) {
      if (i < ecdata[r].length) {
        data[index++] = ecdata[r][i];
      }
    }
  }
  return data;
};
var QRMode = {MODE_NUMBER: 1 << 0, MODE_ALPHA_NUM: 1 << 1, MODE_8BIT_BYTE: 1 << 2, MODE_KANJI: 1 << 3};
var QRErrorCorrectLevel = {L: 1, M: 0, Q: 3, H: 2};
var QRMaskPattern = {
  PATTERN000: 0,
  PATTERN001: 1,
  PATTERN010: 2,
  PATTERN011: 3,
  PATTERN100: 4,
  PATTERN101: 5,
  PATTERN110: 6,
  PATTERN111: 7
};
var QRUtil = {
  PATTERN_POSITION_TABLE: [[], [6, 18], [6, 22], [6, 26], [6, 30], [6, 34], [6, 22, 38], [6, 24, 42], [6, 26, 46], [6, 28, 50], [6, 30, 54], [6, 32, 58], [6, 34, 62], [6, 26, 46, 66], [6, 26, 48, 70], [6, 26, 50, 74], [6, 30, 54, 78], [6, 30, 56, 82], [6, 30, 58, 86], [6, 34, 62, 90], [6, 28, 50, 72, 94], [6, 26, 50, 74, 98], [6, 30, 54, 78, 102], [6, 28, 54, 80, 106], [6, 32, 58, 84, 110], [6, 30, 58, 86, 114], [6, 34, 62, 90, 118], [6, 26, 50, 74, 98, 122], [6, 30, 54, 78, 102, 126], [6, 26, 52, 78, 104, 130], [6, 30, 56, 82, 108, 134], [6, 34, 60, 86, 112, 138], [6, 30, 58, 86, 114, 142], [6, 34, 62, 90, 118, 146], [6, 30, 54, 78, 102, 126, 150], [6, 24, 50, 76, 102, 128, 154], [6, 28, 54, 80, 106, 132, 158], [6, 32, 58, 84, 110, 136, 162], [6, 26, 54, 82, 110, 138, 166], [6, 30, 58, 86, 114, 142, 170]],
  G15: (1 << 10) | (1 << 8) | (1 << 5) | (1 << 4) | (1 << 2) | (1 << 1) | (1 << 0),
  G18: (1 << 12) | (1 << 11) | (1 << 10) | (1 << 9) | (1 << 8) | (1 << 5) | (1 << 2) | (1 << 0),
  G15_MASK: (1 << 14) | (1 << 12) | (1 << 10) | (1 << 4) | (1 << 1),
  getBCHTypeInfo: function (data) {
    var d = data << 10;
    while (QRUtil.getBCHDigit(d) - QRUtil.getBCHDigit(QRUtil.G15) >= 0) {
      d ^= (QRUtil.G15 << (QRUtil.getBCHDigit(d) - QRUtil.getBCHDigit(QRUtil.G15)));
    }
    return ((data << 10) | d) ^ QRUtil.G15_MASK;
  },
  getBCHTypeNumber: function (data) {
    var d = data << 12;
    while (QRUtil.getBCHDigit(d) - QRUtil.getBCHDigit(QRUtil.G18) >= 0) {
      d ^= (QRUtil.G18 << (QRUtil.getBCHDigit(d) - QRUtil.getBCHDigit(QRUtil.G18)));
    }
    return (data << 12) | d;
  },
  getBCHDigit: function (data) {
    var digit = 0;
    while (data != 0) {
      digit++;
      data >>>= 1;
    }
    return digit;
  },
  getPatternPosition: function (typeNumber) {
    return QRUtil.PATTERN_POSITION_TABLE[typeNumber - 1];
  },
  getMask: function (maskPattern, i, j) {
    switch (maskPattern) {
      case QRMaskPattern.PATTERN000:
        return (i + j) % 2 == 0;
      case QRMaskPattern.PATTERN001:
        return i % 2 == 0;
      case QRMaskPattern.PATTERN010:
        return j % 3 == 0;
      case QRMaskPattern.PATTERN011:
        return (i + j) % 3 == 0;
      case QRMaskPattern.PATTERN100:
        return (Math.floor(i / 2) + Math.floor(j / 3)) % 2 == 0;
      case QRMaskPattern.PATTERN101:
        return (i * j) % 2 + (i * j) % 3 == 0;
      case QRMaskPattern.PATTERN110:
        return ((i * j) % 2 + (i * j) % 3) % 2 == 0;
      case QRMaskPattern.PATTERN111:
        return ((i * j) % 3 + (i + j) % 2) % 2 == 0;
      default:
        throw new Error("bad maskPattern:" + maskPattern);
    }
  },
  getErrorCorrectPolynomial: function (errorCorrectLength) {
    var a = new QRPolynomial([1], 0);
    for (var i = 0; i < errorCorrectLength; i++) {
      a = a.multiply(new QRPolynomial([1, QRMath.gexp(i)], 0));
    }
    return a;
  },
  getLengthInBits: function (mode, type) {
    if (1 <= type && type < 10) {
      switch (mode) {
        case QRMode.MODE_NUMBER:
          return 10;
        case QRMode.MODE_ALPHA_NUM:
          return 9;
        case QRMode.MODE_8BIT_BYTE:
          return 8;
        case QRMode.MODE_KANJI:
          return 8;
        default:
          throw new Error("mode:" + mode);
      }
    } else if (type < 27) {
      switch (mode) {
        case QRMode.MODE_NUMBER:
          return 12;
        case QRMode.MODE_ALPHA_NUM:
          return 11;
        case QRMode.MODE_8BIT_BYTE:
          return 16;
        case QRMode.MODE_KANJI:
          return 10;
        default:
          throw new Error("mode:" + mode);
      }
    } else if (type < 41) {
      switch (mode) {
        case QRMode.MODE_NUMBER:
          return 14;
        case QRMode.MODE_ALPHA_NUM:
          return 13;
        case QRMode.MODE_8BIT_BYTE:
          return 16;
        case QRMode.MODE_KANJI:
          return 12;
        default:
          throw new Error("mode:" + mode);
      }
    } else {
      throw new Error("type:" + type);
    }
  },
  getLostPoint: function (qrCode) {
    var moduleCount = qrCode.getModuleCount();
    var lostPoint = 0;
    for (var row = 0; row < moduleCount; row++) {
      for (var col = 0; col < moduleCount; col++) {
        var sameCount = 0;
        var dark = qrCode.isDark(row, col);
        for (var r = -1; r <= 1; r++) {
          if (row + r < 0 || moduleCount <= row + r) {
            continue;
          }
          for (var c = -1; c <= 1; c++) {
            if (col + c < 0 || moduleCount <= col + c) {
              continue;
            }
            if (r == 0 && c == 0) {
              continue;
            }
            if (dark == qrCode.isDark(row + r, col + c)) {
              sameCount++;
            }
          }
        }
        if (sameCount > 5) {
          lostPoint += (3 + sameCount - 5);
        }
      }
    }
    for (var row = 0; row < moduleCount - 1; row++) {
      for (var col = 0; col < moduleCount - 1; col++) {
        var count = 0;
        if (qrCode.isDark(row, col)) count++;
        if (qrCode.isDark(row + 1, col)) count++;
        if (qrCode.isDark(row, col + 1)) count++;
        if (qrCode.isDark(row + 1, col + 1)) count++;
        if (count == 0 || count == 4) {
          lostPoint += 3;
        }
      }
    }
    for (var row = 0; row < moduleCount; row++) {
      for (var col = 0; col < moduleCount - 6; col++) {
        if (qrCode.isDark(row, col) && !qrCode.isDark(row, col + 1) && qrCode.isDark(row, col + 2) && qrCode.isDark(row, col + 3) && qrCode.isDark(row, col + 4) && !qrCode.isDark(row, col + 5) && qrCode.isDark(row, col + 6)) {
          lostPoint += 40;
        }
      }
    }
    for (var col = 0; col < moduleCount; col++) {
      for (var row = 0; row < moduleCount - 6; row++) {
        if (qrCode.isDark(row, col) && !qrCode.isDark(row + 1, col) && qrCode.isDark(row + 2, col) && qrCode.isDark(row + 3, col) && qrCode.isDark(row + 4, col) && !qrCode.isDark(row + 5, col) && qrCode.isDark(row + 6, col)) {
          lostPoint += 40;
        }
      }
    }
    var darkCount = 0;
    for (var col = 0; col < moduleCount; col++) {
      for (var row = 0; row < moduleCount; row++) {
        if (qrCode.isDark(row, col)) {
          darkCount++;
        }
      }
    }
    var ratio = Math.abs(100 * darkCount / moduleCount / moduleCount - 50) / 5;
    lostPoint += ratio * 10;
    return lostPoint;
  }
};
var QRMath = {
  glog: function (n) {
    if (n < 1) {
      throw new Error("glog(" + n + ")");
    }
    return QRMath.LOG_TABLE[n];
  }, gexp: function (n) {
    while (n < 0) {
      n += 255;
    }
    while (n >= 256) {
      n -= 255;
    }
    return QRMath.EXP_TABLE[n];
  }, EXP_TABLE: new Array(256), LOG_TABLE: new Array(256)
};
for (var i = 0; i < 8; i++) {
  QRMath.EXP_TABLE[i] = 1 << i;
}
for (var i = 8; i < 256; i++) {
  QRMath.EXP_TABLE[i] = QRMath.EXP_TABLE[i - 4] ^ QRMath.EXP_TABLE[i - 5] ^ QRMath.EXP_TABLE[i - 6] ^ QRMath.EXP_TABLE[i - 8];
}
for (var i = 0; i < 255; i++) {
  QRMath.LOG_TABLE[QRMath.EXP_TABLE[i]] = i;
}

function QRPolynomial(num, shift) {
  if (num.length == undefined) {
    throw new Error(num.length + "/" + shift);
  }
  var offset = 0;
  while (offset < num.length && num[offset] == 0) {
    offset++;
  }
  this.num = new Array(num.length - offset + shift);
  for (var i = 0; i < num.length - offset; i++) {
    this.num[i] = num[i + offset];
  }
}

QRPolynomial.prototype = {
  get: function (index) {
    return this.num[index];
  }, getLength: function () {
    return this.num.length;
  }, multiply: function (e) {
    var num = new Array(this.getLength() + e.getLength() - 1);
    for (var i = 0; i < this.getLength(); i++) {
      for (var j = 0; j < e.getLength(); j++) {
        num[i + j] ^= QRMath.gexp(QRMath.glog(this.get(i)) + QRMath.glog(e.get(j)));
      }
    }
    return new QRPolynomial(num, 0);
  }, mod: function (e) {
    if (this.getLength() - e.getLength() < 0) {
      return this;
    }
    var ratio = QRMath.glog(this.get(0)) - QRMath.glog(e.get(0));
    var num = new Array(this.getLength());
    for (var i = 0; i < this.getLength(); i++) {
      num[i] = this.get(i);
    }
    for (var i = 0; i < e.getLength(); i++) {
      num[i] ^= QRMath.gexp(QRMath.glog(e.get(i)) + ratio);
    }
    return new QRPolynomial(num, 0).mod(e);
  }
};

function QRRSBlock(totalCount, dataCount) {
  this.totalCount = totalCount;
  this.dataCount = dataCount;
}

QRRSBlock.RS_BLOCK_TABLE = [[1, 26, 19], [1, 26, 16], [1, 26, 13], [1, 26, 9], [1, 44, 34], [1, 44, 28], [1, 44, 22], [1, 44, 16], [1, 70, 55], [1, 70, 44], [2, 35, 17], [2, 35, 13], [1, 100, 80], [2, 50, 32], [2, 50, 24], [4, 25, 9], [1, 134, 108], [2, 67, 43], [2, 33, 15, 2, 34, 16], [2, 33, 11, 2, 34, 12], [2, 86, 68], [4, 43, 27], [4, 43, 19], [4, 43, 15], [2, 98, 78], [4, 49, 31], [2, 32, 14, 4, 33, 15], [4, 39, 13, 1, 40, 14], [2, 121, 97], [2, 60, 38, 2, 61, 39], [4, 40, 18, 2, 41, 19], [4, 40, 14, 2, 41, 15], [2, 146, 116], [3, 58, 36, 2, 59, 37], [4, 36, 16, 4, 37, 17], [4, 36, 12, 4, 37, 13], [2, 86, 68, 2, 87, 69], [4, 69, 43, 1, 70, 44], [6, 43, 19, 2, 44, 20], [6, 43, 15, 2, 44, 16], [4, 101, 81], [1, 80, 50, 4, 81, 51], [4, 50, 22, 4, 51, 23], [3, 36, 12, 8, 37, 13], [2, 116, 92, 2, 117, 93], [6, 58, 36, 2, 59, 37], [4, 46, 20, 6, 47, 21], [7, 42, 14, 4, 43, 15], [4, 133, 107], [8, 59, 37, 1, 60, 38], [8, 44, 20, 4, 45, 21], [12, 33, 11, 4, 34, 12], [3, 145, 115, 1, 146, 116], [4, 64, 40, 5, 65, 41], [11, 36, 16, 5, 37, 17], [11, 36, 12, 5, 37, 13], [5, 109, 87, 1, 110, 88], [5, 65, 41, 5, 66, 42], [5, 54, 24, 7, 55, 25], [11, 36, 12], [5, 122, 98, 1, 123, 99], [7, 73, 45, 3, 74, 46], [15, 43, 19, 2, 44, 20], [3, 45, 15, 13, 46, 16], [1, 135, 107, 5, 136, 108], [10, 74, 46, 1, 75, 47], [1, 50, 22, 15, 51, 23], [2, 42, 14, 17, 43, 15], [5, 150, 120, 1, 151, 121], [9, 69, 43, 4, 70, 44], [17, 50, 22, 1, 51, 23], [2, 42, 14, 19, 43, 15], [3, 141, 113, 4, 142, 114], [3, 70, 44, 11, 71, 45], [17, 47, 21, 4, 48, 22], [9, 39, 13, 16, 40, 14], [3, 135, 107, 5, 136, 108], [3, 67, 41, 13, 68, 42], [15, 54, 24, 5, 55, 25], [15, 43, 15, 10, 44, 16], [4, 144, 116, 4, 145, 117], [17, 68, 42], [17, 50, 22, 6, 51, 23], [19, 46, 16, 6, 47, 17], [2, 139, 111, 7, 140, 112], [17, 74, 46], [7, 54, 24, 16, 55, 25], [34, 37, 13], [4, 151, 121, 5, 152, 122], [4, 75, 47, 14, 76, 48], [11, 54, 24, 14, 55, 25], [16, 45, 15, 14, 46, 16], [6, 147, 117, 4, 148, 118], [6, 73, 45, 14, 74, 46], [11, 54, 24, 16, 55, 25], [30, 46, 16, 2, 47, 17], [8, 132, 106, 4, 133, 107], [8, 75, 47, 13, 76, 48], [7, 54, 24, 22, 55, 25], [22, 45, 15, 13, 46, 16], [10, 142, 114, 2, 143, 115], [19, 74, 46, 4, 75, 47], [28, 50, 22, 6, 51, 23], [33, 46, 16, 4, 47, 17], [8, 152, 122, 4, 153, 123], [22, 73, 45, 3, 74, 46], [8, 53, 23, 26, 54, 24], [12, 45, 15, 28, 46, 16], [3, 147, 117, 10, 148, 118], [3, 73, 45, 23, 74, 46], [4, 54, 24, 31, 55, 25], [11, 45, 15, 31, 46, 16], [7, 146, 116, 7, 147, 117], [21, 73, 45, 7, 74, 46], [1, 53, 23, 37, 54, 24], [19, 45, 15, 26, 46, 16], [5, 145, 115, 10, 146, 116], [19, 75, 47, 10, 76, 48], [15, 54, 24, 25, 55, 25], [23, 45, 15, 25, 46, 16], [13, 145, 115, 3, 146, 116], [2, 74, 46, 29, 75, 47], [42, 54, 24, 1, 55, 25], [23, 45, 15, 28, 46, 16], [17, 145, 115], [10, 74, 46, 23, 75, 47], [10, 54, 24, 35, 55, 25], [19, 45, 15, 35, 46, 16], [17, 145, 115, 1, 146, 116], [14, 74, 46, 21, 75, 47], [29, 54, 24, 19, 55, 25], [11, 45, 15, 46, 46, 16], [13, 145, 115, 6, 146, 116], [14, 74, 46, 23, 75, 47], [44, 54, 24, 7, 55, 25], [59, 46, 16, 1, 47, 17], [12, 151, 121, 7, 152, 122], [12, 75, 47, 26, 76, 48], [39, 54, 24, 14, 55, 25], [22, 45, 15, 41, 46, 16], [6, 151, 121, 14, 152, 122], [6, 75, 47, 34, 76, 48], [46, 54, 24, 10, 55, 25], [2, 45, 15, 64, 46, 16], [17, 152, 122, 4, 153, 123], [29, 74, 46, 14, 75, 47], [49, 54, 24, 10, 55, 25], [24, 45, 15, 46, 46, 16], [4, 152, 122, 18, 153, 123], [13, 74, 46, 32, 75, 47], [48, 54, 24, 14, 55, 25], [42, 45, 15, 32, 46, 16], [20, 147, 117, 4, 148, 118], [40, 75, 47, 7, 76, 48], [43, 54, 24, 22, 55, 25], [10, 45, 15, 67, 46, 16], [19, 148, 118, 6, 149, 119], [18, 75, 47, 31, 76, 48], [34, 54, 24, 34, 55, 25], [20, 45, 15, 61, 46, 16]];
QRRSBlock.getRSBlocks = function (typeNumber, errorCorrectLevel) {
  var rsBlock = QRRSBlock.getRsBlockTable(typeNumber, errorCorrectLevel);
  if (rsBlock == undefined) {
    throw new Error("bad rs block @ typeNumber:" + typeNumber + "/errorCorrectLevel:" + errorCorrectLevel);
  }
  var length = rsBlock.length / 3;
  var list = [];
  for (var i = 0; i < length; i++) {
    var count = rsBlock[i * 3 + 0];
    var totalCount = rsBlock[i * 3 + 1];
    var dataCount = rsBlock[i * 3 + 2];
    for (var j = 0; j < count; j++) {
      list.push(new QRRSBlock(totalCount, dataCount));
    }
  }
  return list;
};
QRRSBlock.getRsBlockTable = function (typeNumber, errorCorrectLevel) {
  switch (errorCorrectLevel) {
    case QRErrorCorrectLevel.L:
      return QRRSBlock.RS_BLOCK_TABLE[(typeNumber - 1) * 4 + 0];
    case QRErrorCorrectLevel.M:
      return QRRSBlock.RS_BLOCK_TABLE[(typeNumber - 1) * 4 + 1];
    case QRErrorCorrectLevel.Q:
      return QRRSBlock.RS_BLOCK_TABLE[(typeNumber - 1) * 4 + 2];
    case QRErrorCorrectLevel.H:
      return QRRSBlock.RS_BLOCK_TABLE[(typeNumber - 1) * 4 + 3];
    default:
      return undefined;
  }
};

function QRBitBuffer() {
  this.buffer = [];
  this.length = 0;
}

QRBitBuffer.prototype = {
  get: function (index) {
    var bufIndex = Math.floor(index / 8);
    return ((this.buffer[bufIndex] >>> (7 - index % 8)) & 1) == 1;
  }, put: function (num, length) {
    for (var i = 0; i < length; i++) {
      this.putBit(((num >>> (length - i - 1)) & 1) == 1);
    }
  }, getLengthInBits: function () {
    return this.length;
  }, putBit: function (bit) {
    var bufIndex = Math.floor(this.length / 8);
    if (this.buffer.length <= bufIndex) {
      this.buffer.push(0);
    }
    if (bit) {
      this.buffer[bufIndex] |= (0x80 >>> (this.length % 8));
    }
    this.length++;
  }
};
var QRCodeLimitLength = [[17, 14, 11, 7], [32, 26, 20, 14], [53, 42, 32, 24], [78, 62, 46, 34], [106, 84, 60, 44], [134, 106, 74, 58], [154, 122, 86, 64], [192, 152, 108, 84], [230, 180, 130, 98], [271, 213, 151, 119], [321, 251, 177, 137], [367, 287, 203, 155], [425, 331, 241, 177], [458, 362, 258, 194], [520, 412, 292, 220], [586, 450, 322, 250], [644, 504, 364, 280], [718, 560, 394, 310], [792, 624, 442, 338], [858, 666, 482, 382], [929, 711, 509, 403], [1003, 779, 565, 439], [1091, 857, 611, 461], [1171, 911, 661, 511], [1273, 997, 715, 535], [1367, 1059, 751, 593], [1465, 1125, 805, 625], [1528, 1190, 868, 658], [1628, 1264, 908, 698], [1732, 1370, 982, 742], [1840, 1452, 1030, 790], [1952, 1538, 1112, 842], [2068, 1628, 1168, 898], [2188, 1722, 1228, 958], [2303, 1809, 1283, 983], [2431, 1911, 1351, 1051], [2563, 1989, 1423, 1093], [2699, 2099, 1499, 1139], [2809, 2213, 1579, 1219], [2953, 2331, 1663, 1273]];


/** Constructor */
function QRCode(options) {
  var instance = this;

  //Default options
  this.options = {
    padding: 0,
    width: 256,
    height: 256,
    typeNumber: 4,
    color: "#000000",
    background: "#ffffff",
    ecl: "M"
  };

  //In case the options is string
  if (typeof options === 'string') {
    options = {
      content: options
    };
  }

  //Merge options
  if (options) {
    for (var i in options) {
      this.options[i] = options[i];
    }
  }

  if (typeof this.options.content !== 'string') {
    throw new Error("Expected 'content' as string!");
  }

  if (this.options.content.length === 0 /* || this.options.content.length > 7089 */) {
    throw new Error("Expected 'content' to be non-empty!");
  }

  if (!(this.options.padding >= 0)) {
    throw new Error("Expected 'padding' value to be non-negative!");
  }

  if (!(this.options.width > 0) || !(this.options.height > 0)) {
    throw new Error("Expected 'width' or 'height' value to be higher than zero!");
  }

  //Gets the error correction level
  function _getErrorCorrectLevel(ecl) {
    switch (ecl) {
      case "L":
        return QRErrorCorrectLevel.L;

      case "M":
        return QRErrorCorrectLevel.M;

      case "Q":
        return QRErrorCorrectLevel.Q;

      case "H":
        return QRErrorCorrectLevel.H;

      default:
        throw new Error("Unknwon error correction level: " + ecl);
    }
  }

  //Get type number
  function _getTypeNumber(content, ecl) {
    var length = _getUTF8Length(content);

    var type = 1;
    var limit = 0;
    for (var i = 0, len = QRCodeLimitLength.length; i <= len; i++) {
      var table = QRCodeLimitLength[i];
      if (!table) {
        throw new Error("Content too long: expected " + limit + " but got " + length);
      }

      switch (ecl) {
        case "L":
          limit = table[0];
          break;

        case "M":
          limit = table[1];
          break;

        case "Q":
          limit = table[2];
          break;

        case "H":
          limit = table[3];
          break;

        default:
          throw new Error("Unknwon error correction level: " + ecl);
      }

      if (length <= limit) {
        break;
      }

      type++;
    }

    if (type > QRCodeLimitLength.length) {
      throw new Error("Content too long");
    }

    return type;
  }

  //Gets text length
  function _getUTF8Length(content) {
    var result = encodeURI(content).toString().replace(/\%[0-9a-fA-F]{2}/g, 'a');
    return result.length + (result.length != content ? 3 : 0);
  }

  //Generate QR Code matrix
  var content = this.options.content;
  var type = _getTypeNumber(content, this.options.ecl);
  var ecl = _getErrorCorrectLevel(this.options.ecl);
  this.qrcode = new QRCodeModel(type, ecl);
  this.qrcode.addData(content);
  this.qrcode.make();
}

/** Generates QR Code as SVG image */
QRCode.prototype.svg = function () {
  var options = this.options;
  var modules = this.qrcode.modules;

  var width = options.width;
  var height = options.height;
  var length = modules.length;
  var xsize = width / (length + 2 * options.padding);
  var ysize = height / (length + 2 * options.padding);

  var rect = '<rect x="0" y="0" width="' + width + '" height="' + height + '" style="fill:' + options.background + ';shape-rendering:crispEdges;"/>';

  for (var y = 0; y < length; y++) {
    for (var x = 0; x < length; x++) {
      var module = modules[x][y];
      if (module) {
        var px = (x * xsize + options.padding * xsize).toString();
        var py = (y * ysize + options.padding * ysize).toString();
        rect += '<rect x="' + px + '" y="' + py + '" width="' + xsize + '" height="' + ysize + '" style="fill:' + options.color + ';shape-rendering:crispEdges;"/>';
      }
    }
  }

  var svg = '<?xml version="1.0" standalone="yes"?>' + '<svg xmlns="http://www.w3.org/2000/svg" version="1.1" width="' + width + '" height="' + height + '">';
  svg += rect;
  svg += '</svg>';

  return svg;
};

module.exports = function (options) {
  return new QRCode(options).svg();
};
